There's some evidence that the Los Angeles basin has been in an unusual seismic lull for the last 150 years or so.
Unfortunately, that's when everyone moved there.
In part because they've trenched a lot of faults and found a lot of prehistoric earthquakes, and also because the total stress release of the earthquakes in the last 100+ years hasn't been nearly enough to relieve the stress in the region.
Yah, but my family is in Ventura for all these years. But then, that is not so far away.